Yuan zi jie gou
By: Shanghai shi wu li xue hui zhong xue wu li jiao xue yan jiu wei yuan hui bian.
Edition: Di 2 ban.
Series: Gao zhong wu li jiao xue can kao du wu
Publisher: Shanghai jiao yu chu ban she; Xin hua shu dian Shanghai fa xing suo fa xing
Published: 1981
Place of publication: Shanghai
Language: chi
Number of pages: 89